| Assessor | Andrea Jurkiewicz andrea.jurkiewicz@columbiacountyor.gov Phone: 503-397-2240 | |
| Commissioners | Casey Garrett casey.garrett@columbiacountyor.gov Margaret Magruder margaret.magruder@columbiacountyor.gov Kellie Jo Smith kj.smith@columbiacountyor.gov Phone: 503-397-4322 | |
| Clerk | Debbie Klug debbie.klug@columbiacountyor.gov Phone: 503-397-8442 | |
| District Attorney | Joshua Pond joshua.pond@columbiacountyor.gov Phone: 503-397-0300 | |
| Justice of the Peace | James "Jim" Gibson Phone: 503-429-2441 | |
| Sheriff | Brian Pixley Brian.Pixley@columbiacountyor.gov Phone: 503-366-4611 General Info 503-366-4614 Marine Patrol | |
| Treasurer | Mary Ann Guess maryann.guess@columbiacountyor.gov | |